graph_from_data_frame: Creating igraph graphs from data frames
Description
This function and all of its descriptions have been obtained from the igraph package.
For a complete description if the function and its arguments try this:
?igraph::graph_from_data_frame
A data frame containing a symbolic edge list in the first two columns.
Additional columns are considered as edge attributes.
Since version 0.7 this argument is coerced to a data frame with as.data.frame.
directed
Logical scalar, whether or not to create a directed graph.
vertices
A data frame with vertex metadata, or NULL.
Since version 0.7 of igraph this argument is coerced to a data frame with as.data.frame, if not NULL.